1. Andersson, E., “Some asymptotic results for the Titchmarsh–Weyl M-function of a vector-valued Sturm–Liouville equation,” preprint, 2001.
2. Andersson, E., “Borg–Marchenko theorems for vector-valued Sturm–Liouville equations,” preprint, 2001.
3. Andersson, E., “A uniqueness theorem in the inverse spectral theory of a certain higher order ordinary differential equation using Paley–Wiener methods,” preprint, 2002.
4. Atkinson, F. V., “Asymptotics of the Titchmarsh–Weyl function in the matrix case,” unpublished preprint.
5. A Proof of the Local Borg-Marchenko Theorem